Preseason: Cowboys 24, Dolphins 20

August 4, 2013 11:15 PM

Photo: Jason Miller/Getty Images

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Wide receiver Chad Bumphis #16 of the Miami Dolphins fails to make the catch as outside linebacker DeVonte Holloman #57 of the Dallas Cowboys picks up an interception and runs back for a touchdown during the second quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images) less

Wide receiver Chad Bumphis #16 of the Miami Dolphins fails to make the catch as outside linebacker DeVonte Holloman #57 of the Dallas Cowboys picks up an interception and runs back for a touchdown during the ... more

Running back Phillip Tanner #34 of the Dallas Cowboys powers through the line for a touchdown against the Miami Dolphins at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images)

Running back Phillip Tanner #34 of the Dallas Cowboys powers through the line for a touchdown against the Miami Dolphins at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images)

Matt Johnson #37 and cornerback Sterling Moore #21 of the Dallas Cowboys tip off a pass intended for wide receiver Marvin McNutt #87 of the Miami Dolphins during the first quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images) less

Matt Johnson #37 and cornerback Sterling Moore #21 of the Dallas Cowboys tip off a pass intended for wide receiver Marvin McNutt #87 of the Miami Dolphins during the first quarter at Fawcett Stadium on August ... more

Running back Lance Dunbar #25 of the Dallas Cowboys beats a Miami Dolphins defender for a gain during the first quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images)

Running back Lance Dunbar #25 of the Dallas Cowboys beats a Miami Dolphins defender for a gain during the first quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images)

Running back Mike Gillislee #35 of the Miami Dolphins runs out a pass reception for a gain against the Dallas Cowboys during the second quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images) less

Running back Mike Gillislee #35 of the Miami Dolphins runs out a pass reception for a gain against the Dallas Cowboys during the second quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason ... more

Quarterback Nick Stephens #3 of the Dallas Cowboys throws an incomplete pass while under pressure from defensive end Derrick Shelby #79 of the Miami Dolphins during the second quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images) less

Quarterback Nick Stephens #3 of the Dallas Cowboys throws an incomplete pass while under pressure from defensive end Derrick Shelby #79 of the Miami Dolphins during the second quarter at Fawcett Stadium on ... more

Punter Brandon Fields #2 holds for kicker Dan Carpenter #5 of the Miami Dolphins who kicks a field goal against the Dallas Cowboys during the second quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images) less

Punter Brandon Fields #2 holds for kicker Dan Carpenter #5 of the Miami Dolphins who kicks a field goal against the Dallas Cowboys during the second quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. ... more

Miami Dolphins wide receiver Brian Tyms (85) runs the ball in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins wide receiver Brian Tyms (85) runs the ball in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Dallas Cowboys running back Phillip Tanner pumps his chest after getting a first down against the Miami Dolphins in the first quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Dallas Cowboys running back Phillip Tanner pumps his chest after getting a first down against the Miami Dolphins in the first quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, ... more

Miami Dolphins running back Daniel Thomas (33) runs the ball against the Dallas Cowboys in the first quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins running back Daniel Thomas (33) runs the ball against the Dallas Cowboys in the first quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Miami Dolphins quarterback Matt Moore (8)takes a snap in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins quarterback Matt Moore (8)takes a snap in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Miami Dolphins head coach Joe Philbin watches during the first quarter against Dallas Cowboys at the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Miami Dolphins head coach Joe Philbin watches during the first quarter against Dallas Cowboys at the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. ... more

Miami Dolphins wide receiver Chad Bumphis runs the ball in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins wide receiver Chad Bumphis runs the ball in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Miami Dolphins head coach Joe Philbin watches from the sidelines in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins head coach Joe Philbin watches from the sidelines in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. ... more

Dallas Cowboys outside linebacker DeVonte Holloman (57) intercepts a pass intended for Miami Dolphins wide receiver Chad Bumphis (16) in the second quarter from at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. Holloman ran it back for 75-yards for a touchdown. (AP Photo/Scott R. Galvin) less

Dallas Cowboys outside linebacker DeVonte Holloman (57) intercepts a pass intended for Miami Dolphins wide receiver Chad Bumphis (16) in the second quarter from at the Pro Football Hall of Fame exhibition ... more

Miami Dolphins quarterback Matt Moore (8) throws an interception in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. Cowboys outside linebacker DeVonte Holloman intercepted the ball and ran it back for 75 yards. (AP Photo/David Richard) less

Miami Dolphins quarterback Matt Moore (8) throws an interception in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. ... more

Miami Dolphins wide receiver Chad Bumphis (16) runs the ball for a first down after a catch in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins wide receiver Chad Bumphis (16) runs the ball for a first down after a catch in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, ... more

Dallas Cowboys quarterback Nick Stephens (3) is tackled by the Miami Dolphins defender in the first quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Dallas Cowboys quarterback Nick Stephens (3) is tackled by the Miami Dolphins defender in the first quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Miami Dolphins wide receiver Brian Tyms (85) runs the ball past Dallas Cowboys defensive back Brandon Underwood (23) in the second quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins wide receiver Brian Tyms (85) runs the ball past Dallas Cowboys defensive back Brandon Underwood (23) in the second quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. ... more

Miami Dolphins quarterback Matt Moore (8) runs the ball against the Dallas Cowboys in the first quarter at the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Miami Dolphins quarterback Matt Moore (8) runs the ball against the Dallas Cowboys in the first quarter at the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Doug Free #68 and tackle Demetress Bell #77 of the Dallas Cowboys lead their team out of the tunnel prior to the game against the Miami Dolphins during the second quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images) less

Doug Free #68 and tackle Demetress Bell #77 of the Dallas Cowboys lead their team out of the tunnel prior to the game against the Miami Dolphins during the second quarter at Fawcett Stadium on August 4, 2013 in ... more

Running back Lance Dunbar #25 of the Dallas Cowboys beats a Miami Dolphins defender for a gain during the first quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images)

Running back Lance Dunbar #25 of the Dallas Cowboys beats a Miami Dolphins defender for a gain during the first quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images)

Miami Dolphins wide receiver Brian Tyms (85) gains 6 yards as Dallas Cowboys defensive back Brandon Underwood (23) tries to stop Tyms in the second quarter at the Pro Football Hall of Fame exhibition football ... more

Dallas Cowboys quarterback Nick Stephens (3) hands the ball off to Joseph Randle in the second quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Dallas Cowboys quarterback Nick Stephens (3) hands the ball off to Joseph Randle in the second quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Miami Dolphins running back Mike Gillislee (35) runs the ball against the Dallas Cowboys in the second quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Miami Dolphins running back Mike Gillislee (35) runs the ball against the Dallas Cowboys in the second quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. ... more

Dallas Cowboys running back Phillip Tanner (34) runs the ball for a nine-yard gain in the second quarter against the Miami Dolphins during the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Dallas Cowboys running back Phillip Tanner (34) runs the ball for a nine-yard gain in the second quarter against the Miami Dolphins during the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, ... more

Miami Dolphins running back Mike Gillislee (35) gains 11 yards as Dallas Cowboys defensive tackle Jerome Long (99) tries to stop him in the second quarter at the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Miami Dolphins running back Mike Gillislee (35) gains 11 yards as Dallas Cowboys defensive tackle Jerome Long (99) tries to stop him in the second quarter at the Pro Football Hall of Fame exhibition football ... more

Dallas Cowboys outside linebacker DeVonte Holloman (57) intercepts a pass intended for Miami Dolphins wide receiver Chad Bumphis (16) in the second quarter from at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. Holloman ran it back for 75-yards for a touchdown. (AP Photo/Scott R. Galvin) less

Dallas Cowboys outside linebacker DeVonte Holloman (57) intercepts a pass intended for Miami Dolphins wide receiver Chad Bumphis (16) in the second quarter from at the Pro Football Hall of Fame exhibition ... more

Miami Dolphins quarterback Matt Moore (8) throws in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Miami Dolphins quarterback Matt Moore (8) throws in the second quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott ... more

Dallas Cowboys kicker Dan Bailey (5) kicks a 49-yard field goal in the second quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Dallas Cowboys kicker Dan Bailey (5) kicks a 49-yard field goal in the second quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. ... more

Miami Dolphins running back Jonas Gray (32) strong arms Dallas Cowboys defensive back J.J. Wilcox (27) in the second quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins running back Jonas Gray (32) strong arms Dallas Cowboys defensive back J.J. Wilcox (27) in the second quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in ... more

Dallas Cowboys quarterback Nick Stephens (3) hands the ball off to Joseph Randle in the second quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Dallas Cowboys quarterback Nick Stephens (3) hands the ball off to Joseph Randle in the second quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Miami Dolphins head coach Joe Philbin watches during the third quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Miami Dolphins head coach Joe Philbin watches during the third quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott ... more

Miami Dolphins quarterback Ryan Tannehill (17) runs for one yard in the first quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Miami Dolphins quarterback Ryan Tannehill (17) runs for one yard in the first quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. ... more

Wide Receiver Keenan Davis #3 celebrates after scoring a touchdown during the fourth quarter against the Dallas Cowboys at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated the Dolphins 24-20. (Jason Miller / Getty Images) less

Wide Receiver Keenan Davis #3 celebrates after scoring a touchdown during the fourth quarter against the Dallas Cowboys at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated the Dolphins ... more

Running back Kendial Lawrence #28 of the Dallas Cowboys runs in a touchdown during the fourth quarter against the Miami Dolphins at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated the Dolphins 24-20. (Jason Miller / Getty Images) less

Running back Kendial Lawrence #28 of the Dallas Cowboys runs in a touchdown during the fourth quarter against the Miami Dolphins at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated the ... more

Quarterback Pat Devlin #7 of the Miami Dolphins is sacked during the third quarter against the Dallas Cowboys at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated the Dolphins 24-20. (Jason Miller / Getty Images) less

Quarterback Pat Devlin #7 of the Miami Dolphins is sacked during the third quarter against the Dallas Cowboys at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated the Dolphins 24-20. ... more

Fullback Evan Rodriguez #48 looks for the pass from quarterback Pat Devlin #7 of the Miami Dolphins during the second quarter against the Dallas Cowboys at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated the Dolphins 24-20. (Jason Miller / Getty Images) less

Fullback Evan Rodriguez #48 looks for the pass from quarterback Pat Devlin #7 of the Miami Dolphins during the second quarter against the Dallas Cowboys at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The ... more

Defensive back Jakar Hamilton #43 of the Dallas Cowboys tries to tackle fullback Evan Rodriguez #48 of the Miami Dolphins during the third quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated the Dolphins 24-20. (Jason Miller / Getty Images) less

Defensive back Jakar Hamilton #43 of the Dallas Cowboys tries to tackle fullback Evan Rodriguez #48 of the Miami Dolphins during the third quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The ... more

Wide receiver Eric Rogers #14 of the Dallas Cowboys can't hold onto a pass while under pressure from defensive back De'Andre Presley #23 of the Miami Dolphins during the fourth quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated the Dolphins 24-20. (Jason Miller / Getty Images) less

Wide receiver Eric Rogers #14 of the Dallas Cowboys can't hold onto a pass while under pressure from defensive back De'Andre Presley #23 of the Miami Dolphins during the fourth quarter at Fawcett Stadium on ... more

Head coach Jason Garrett of the Dallas Cowboys talks to his players as they come off the field during the fourth quarter against the Miami Dolphins at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated the Dolphins 24-20. (Jason Miller / Getty Images) less

Head coach Jason Garrett of the Dallas Cowboys talks to his players as they come off the field during the fourth quarter against the Miami Dolphins at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The ... more

Photo: Jason Miller, Getty Images

Head coach Jason Garrett of the Dallas Cowboys talks to his players... Photo-5001759.67559 - San Antonio Express-News

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Tight end Andre Smith #87 of the Dallas Cowboys can't hold onto a pass while under pressure from linebacker Lee Robinson #58 of the Miami Dolphins during the fourth quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated the Dolphins 24-20. (Jason Miller / Getty Images) less

Tight end Andre Smith #87 of the Dallas Cowboys can't hold onto a pass while under pressure from linebacker Lee Robinson #58 of the Miami Dolphins during the fourth quarter at Fawcett Stadium on August 4, 2013 ... more

Dallas Cowboys running back Joseph Randle (35) runs past Miami Dolphins linebacker Josh Kaddu (57) for a gain of 10 yards in the third quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Dallas Cowboys running back Joseph Randle (35) runs past Miami Dolphins linebacker Josh Kaddu (57) for a gain of 10 yards in the third quarter at the Pro Football Hall of Fame exhibition football game Sunday, ... more

Dallas Cowboys quarterback Alex Tanney (7) claps after a first down in the third quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Dallas Cowboys quarterback Alex Tanney (7) claps after a first down in the third quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, ... more

Dallas Cowboys running back Kendial Lawrence (28) scores a touchdown in the fourth quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. The Cowboys won 24-20. (AP Photo/Scott R. Galvin) less

Dallas Cowboys running back Kendial Lawrence (28) scores a touchdown in the fourth quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, ... more

The Dallas Cowboys and the Miami Dolphins line up in the fourth quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard)

The Dallas Cowboys and the Miami Dolphins line up in the fourth quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard)

Photo: David Richard, Associated Press

The Dallas Cowboys and the Miami Dolphins line up in the fourth... Photo-5001764.67559 - San Antonio Express-News

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Miami Dolphins wide receiver Julius Pruitt (83) reaches but cannot catch a pass under pressure from Dallas Cowboys defensive back Micah Pellerin (31) in the third quarter of the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins wide receiver Julius Pruitt (83) reaches but cannot catch a pass under pressure from Dallas Cowboys defensive back Micah Pellerin (31) in the third quarter of the Pro Football Hall of Fame ... more

Miami Dolphins wide receiver Keenan Davis celebrates after a 5-yard touchdown in the fourth quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins wide receiver Keenan Davis celebrates after a 5-yard touchdown in the fourth quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in ... more

Dallas Cowboys running back Joseph Randle (35) breaks a tackle from Miami Dolphins cornerback Will Davis (29) and runs for 10 yards in the third quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Dallas Cowboys running back Joseph Randle (35) breaks a tackle from Miami Dolphins cornerback Will Davis (29) and runs for 10 yards in the third quarter at the Pro Football Hall of Fame exhibition football game ... more

Miami Dolphins quarterback Pat Devlin (7) passes against the Dallas Cowboys in the third quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Miami Dolphins quarterback Pat Devlin (7) passes against the Dallas Cowboys in the third quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott ... more

Dallas Cowboys' Jared Green (85) and Dez Bryant celebrate after Green caught a 32-yard pass in the fourth quarter at the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. The Cowboys won 24-20. (AP Photo/David Richard) less

Dallas Cowboys' Jared Green (85) and Dez Bryant celebrate after Green caught a 32-yard pass in the fourth quarter at the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, ... more

Dallas Cowboys running back Joseph Randle (35) runs the ball against the Miami Dolphins in the third quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Dallas Cowboys running back Joseph Randle (35) runs the ball against the Miami Dolphins in the third quarter at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Dallas Cowboys quarterback Tony Romo signs autographs before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Dallas Cowboys quarterback Tony Romo signs autographs before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David ... more

Dallas Cowboys quarterback Alex Tanney (7) looks for a receiver in the fourth quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Dallas Cowboys quarterback Alex Tanney (7) looks for a receiver in the fourth quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. ... more

Miami Dolphins running back Jonas Gray (32) reaches but can't grab a pass in the fourth quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins running back Jonas Gray (32) reaches but can't grab a pass in the fourth quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in ... more

Miami Dolphins wide receiver Mike Wallace, left, talks with former NFL coach Tony Dungy before the Dolphins play the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Miami Dolphins wide receiver Mike Wallace, left, talks with former NFL coach Tony Dungy before the Dolphins play the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, ... more

Dallas Cowboys running back Joseph Randle (35) breaks a tackle from Miami Dolphins cornerback Will Davis (29) and runs for 10 yards in the third quarter of the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Dallas Cowboys running back Joseph Randle (35) breaks a tackle from Miami Dolphins cornerback Will Davis (29) and runs for 10 yards in the third quarter of the Pro Football Hall of Fame exhibition football ... more

Miami Dolphins quarterback Ryan Tannehill warms up before the Dolphins play the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins quarterback Ryan Tannehill warms up before the Dolphins play the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David ... more

Miami Dolphins defensive back R.J. Stanford (25) during the third quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins defensive back R.J. Stanford (25) during the third quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Head coach Jason Garrett of the Dallas Cowboys shakes hands with head coach Joe Philbin of the Miami Dolphins during the second quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated the Dolphins 24-20. (Jason Miller / Getty Images) less

Head coach Jason Garrett of the Dallas Cowboys shakes hands with head coach Joe Philbin of the Miami Dolphins during the second quarter at Fawcett Stadium on August 4, 2013 in Canton, Ohio. The Cowboys defeated ... more

Miami Dolphins quarterback Ryan Tannehill (17) runs for one yard in the first quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Miami Dolphins quarterback Ryan Tannehill (17) runs for one yard in the first quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. ... more

Dallas Cowboys running back Phillip Tanner (34) carries the ball for a 1-yard gain in the first quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Dallas Cowboys running back Phillip Tanner (34) carries the ball for a 1-yard gain in the first quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, ... more

Miami Dolphins quarterback Ryan Tannehill gives instructions during the first quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Miami Dolphins quarterback Ryan Tannehill gives instructions during the first quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. ... more

Dallas Cowboys quarterback Nick Stephens (3) looks for a receiver during the first quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Dallas Cowboys quarterback Nick Stephens (3) looks for a receiver during the first quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, ... more

Miami Dolphins quarterback Ryan Tannehill passes the ball in the first quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins quarterback Ryan Tannehill passes the ball in the first quarter against the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Quarterback Ryan Tannehill #17 of the Miami Dolphins throws away a pass during the first quarter against the Dallas Cowboys at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images)

Quarterback Ryan Tannehill #17 of the Miami Dolphins throws away a pass during the first quarter against the Dallas Cowboys at Fawcett Stadium on August 4, 2013 in Canton, Ohio. (Jason Miller / Getty Images)

Dallas Cowboys head coach Jason Garrett, left, watches in the first quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition NFL football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Dallas Cowboys head coach Jason Garrett, left, watches in the first quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition NFL football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Dallas Cowboys running back Lance Dunbar (25) runs the ball for 11 yards as Miami Dolphins outside linebacker Philip Wheeler (52) misses a tackle in the first quarter at the Pro Football Hall of Fame exhibition NFL football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Tony Dejak) less

Dallas Cowboys running back Lance Dunbar (25) runs the ball for 11 yards as Miami Dolphins outside linebacker Philip Wheeler (52) misses a tackle in the first quarter at the Pro Football Hall of Fame exhibition ... more

Dallas Cowboys quarterback Kyle Orton passes for 18 yards in the first quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Dallas Cowboys quarterback Kyle Orton passes for 18 yards in the first quarter against the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Dallas Cowboys quarterback Alex Tanney warms up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Dallas Cowboys quarterback Alex Tanney warms up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David ... more

Dallas Cowboys quarterback Tony Romo warms up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard)

Dallas Cowboys quarterback Tony Romo warms up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard)

Miami Dolphins quarterback Ryan Tannehill warms up before the Dolphins play the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. Galvin) less

Miami Dolphins quarterback Ryan Tannehill warms up before the Dolphins play the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Scott R. ... more

Dallas Cowboys fan Pat Ross watches players warm up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Tony Dejak) less

Dallas Cowboys fan Pat Ross watches players warm up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Tony ... more

Dallas Cowboys wide receiver Dez Bryant catches a pass before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Dallas Cowboys wide receiver Dez Bryant catches a pass before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David ... more

Dallas Cowboys head coach Jason Garrett watches as players warm up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Dallas Cowboys head coach Jason Garrett watches as players warm up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Miami Dolphins quarterback Ryan Tannehill warms up before the Dolphins play the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Miami Dolphins quarterback Ryan Tannehill warms up before the Dolphins play the Dallas Cowboys at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David ... more

Dallas Cowboys head coach Jason Garrett watches as players warm up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard) less

Dallas Cowboys head coach Jason Garrett watches as players warm up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP ... more

Dallas Cowboys quarterback Tony Romo warms up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard)

Dallas Cowboys quarterback Tony Romo warms up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition football game Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/David Richard)

Dallas Cowboys wide receiver Dez Bryant warms up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition NFL football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Tony Dejak) less

Dallas Cowboys wide receiver Dez Bryant warms up before the Cowboys play the Miami Dolphins at the Pro Football Hall of Fame exhibition NFL football game, Sunday, Aug. 4, 2013, in Canton, Ohio. (AP Photo/Tony ... more